A Perovskite Solar Cell (image) Okinawa Institute of Science and Technology (OIST) Graduate University Share Print E-Mail Caption Perovskite solar cells have not yet been produced on a commercial scale. Currently, the OIST Energy Materials and Surface Sciences Unit's new perovskite solar cells are small enough for Dr. Liu to hold them in the palm of his hand Credit OIST Usage Restrictions Free for anyone to re-use, but must be credited to OIST. This work is licensed under a Creative Commons Attribution 2.0 Generic License. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.